<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb>
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGoods">添加商品</el-button>
        </el-col>
      </el-row>

      <!--表格区域-->
      <el-table :data="goodLists" border stripe>
        <el-table-column type="index" label="序号" width="50"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="120px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="100px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="200px">
          <template slot-scope="scope">{{ scope.row.add_time | dateFormat }}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-tooltip class="item" effect="dark" content="编辑" placement="top">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            </el-tooltip>
            <el-tooltip class="item" effect="dark" content="删除" placement="top">
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoods(scope.row.goods_id)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 20, 50, 100]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'List',
  data: function() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodLists: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  mounted() {},
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        this.$message.error('获取商品列表失败!')
      }
      // this.$message.success('获取商品列表成功!')
      // console.log(res)
      this.goodLists = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    async deleteGoods(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除!')
      }

      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        this.$message.error('')
      }
      this.$message.success('删除商品成功!')
      this.getGoodsList()
    },
    addGoods() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
.el-card {
  margin-top: 10px;
}
.el-table {
  margin-top: 15px;
}
</style>
